" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
karena besar kedua vektor sama, maka :
R = √2.F^2 + 2.F^2.cos α
10 = √200 + 200.cos α
100 = 200 + 200.cos α
cos α = - 0,5
α = arc cos (-0,5) = 120 derajat
jawabannya (D)